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P0200 Diagnostic Trouble Code Discussion for March 2011

Fuel Injector Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0200
Help Request Posted
2002 GMC Yukon Denali 6.0L Misfire, MIL Lamp on VIN: 1GKEK63U62
P0200: Fuel Injector Circuit Malfunction. ... light, found code p0300, scanned and found all cylinders had some misfiring. Checked spark plugs and they were due for replacement. Installed plugs with new wires. customer drove for a few daysw and returned with CEL back on. Scanned and found p0300, check...
March 01, 2011